747439903 has 16 divisors (see below), whose sum is σ = 861088320. Its totient is φ = 635533056.

The previous prime is 747439877. The next prime is 747439921. The reversal of 747439903 is 309934747.

It is a happy number.

747439903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-747439903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747439003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520875 + ... + 522307.

It is an arithmetic number, because the mean of its divisors is an integer number (53818020).

Almost surely, 2^747439903 is an apocalyptic number.

747439903 is a deficient number, since it is larger than the sum of its proper divisors (113648417).

747439903 is a wasteful number, since it uses less digits than its factorization.

747439903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 747439903 is about 27339.3471575310. The cubic root of 747439903 is about 907.5253390411.

The spelling of 747439903 in words is "seven hundred forty-seven million, four hundred thirty-nine thousand, nine hundred three".